How does the bhagavad gita say we come to knowledge?

You have any answers to this? The topic is quite complicated, but I might be able to help 

Ongoing civil wars western roman empire finally collapsed476 c.e. romulus, the last of theroman  emperors in  the west, was overthrown by the germanic leader odoacer, who became the first barbarian to rule in rome. the order that the  roman empire  had brought towestern  europe for 1000 years was no more.

Habit is no concious